Hi RCCB on house protected side did trip when I powered up the external circuits and at some points when checking for 240V at various parts of the external sub dist board.
Hi, thought to share electrical hook up issue today. I am finishing a garden workshop and power hook up for a friend. As I am not a certified electrician design was discussed and OK,d with my certified electrical tester.
Previous jobs done for various garages and workshops and signed off no...